🆚 Caddy vs. Kestrel

Compare technologies based on real-world usage data *

📈 Caddy is three times more popular than Kestrel.
🌎 Caddy is more popular in the United States, Germany, and the United Kingdom.
🌎 Kestrel is more popular in Brazil, Turkey, and Vietnam.

Caddy

Kestrel

Type

Web server

About

Caddy is an open-source multi-platform web server written in Go with built-in support for automatic HTTPS and modern web protocols.

It supports automatic TLS management with providers such as Let's Encrypt and ZeroSSL, includes a built-in reverse proxy with load balancing, offers configuration through the human-readable Caddyfile or a JSON-based REST API, and features a modular architecture that can be extended with plugins.

Kestrel is an open-source, cross-platform web server for ASP.NET Core.

Headquarters

Vienna, Austria

Redmond, Washington, United States

Website

caddyserver.com #20,138

learn.microsoft.com

Pricing

Free ✔️Open source

Popularity

Determined by the number of sites using each technology.

The Caddy web server is 3 times more popular than Kestrel.

Total websites

Market share

Web Servers

Popularity by country

Determined by the number of sites detected from each country.

Caddy is more popular in the United States, Germany, and the United Kingdom, while Kestrel is more popular in Brazil, Turkey, and Vietnam.

United States

Germany

United Kingdom

Netherlands

France

Sweden

Russia

Spain

Belgium

Brazil

Awards

⭐ 4th most popular in Bulgaria in the Web Servers category.
⭐ 5th most popular in Germany in the Web Servers category.
⭐ 5th most popular in Belgium in the Web Servers category.
⭐ 5th most popular in Romania in the Web Servers category.
⭐ 5th most popular in Austria in the Web Servers category.

⭐ 5th most popular in Georgia in the Web Servers category.
⭐ 6th most popular in Turkey in the Web Servers category.
⭐ 6th most popular in Iran in the Web Servers category.
⭐ 8th most popular in the United Kingdom in the Web Servers category.
⭐ 8th most popular in Brazil in the Web Servers category.

Popularity by domain category

Determined by the number of sites in each category.

Caddy is more popular among sites focused on business, marketing and merchandising, and online shopping, while Kestrel is more commonly used on software and hardware, motor vehicles, and health sites.

Business

Marketing/Merchandising

Online Shopping

Blogs/Wiki

Internet Services

Education/Reference

Entertainment

Travel

Sports

Software/Hardware